Rewrite cone_filter to not use astropy

[delucchi-cmu]

Closes #938

Additional changes in this PR address pre-existing linting issues.

[github-actions]

Before [d87f4b9]	After [fed3e03]	Ratio	Benchmark (Parameter)
42.6±3ms	38.2±0.6ms	~0.90	benchmarks.time_polygon_search
6.40±0.04s	6.38±0.03s	1.00	benchmarks.time_create_large_catalog
24.1±0.5ms	23.7±0.3ms	0.98	benchmarks.time_box_filter_on_partition
963±20ms	944±7ms	0.98	benchmarks.time_create_midsize_catalog
85.3±4ms	78.9±1ms	0.92	benchmarks.time_kdtree_crossmatch

Click here to view all benchmarks.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 96.86%. Comparing base (d87f4b9) to head (29adf1d).
⚠️ Report is 1 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #988   +/-   ##
=======================================
  Coverage   96.86%   96.86%           
=======================================
  Files          54       54           
  Lines        2553     2554    +1     
=======================================
+ Hits         2473     2474    +1     
  Misses         80       80           

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[gitosaurus]

LGTM!